This article discusses how hostile states and non-state actors are increasingly using social media platforms and online social interactions as targets for their cyber operations, making social cybersecurity a crucial national security concern. It looks at the increasing risks that adversaries face when they use social media as a weapon for information operations and makes the case for social cybersecurity as a top national security concern. It also says that in order to hold states accountable for hostile social cyber operations against other nations, there must be international collaboration.